Optical metrology: from the laboratory to the real world

W Osten - Computational Optical Sensing and Imaging, 2013 - opg.optica.org
Optical metrology has shown to be a versatile tool for the solution of many inspection
problems. The main advantages of optical methods are the noncontact nature, the non …

A control system for automated multiscale measuring systems

J Zimmermann, O Sawodny, W Lyda, W Osten - Mechatronics, 2012 - Elsevier
Quality inspection of micro systems on wafer scale must cope with conflicting demands:
nanometer accuracy and high velocity in a comparatively large workspace. An Automated …

Assistant systems for efficient multiscale measurement and inspection

A Burla, T Haist, W Lyda, MH Aissa… - … Systems for Industrial …, 2011 - spiedigitallibrary.org
Optical inspection systems constitute hardware components (eg measurement sensors,
lighting systems, positioning systems etc.) and software components (system calibration …

Implementation and analysis of an automated multiscale measurement strategy for wafer scale inspection of micro electromechanical systems

W Lyda, A Burla, T Haist, M Gronle, W Osten - International Journal of …, 2012 - Springer
In this contribution the complete implementation of an automated multiscale measurement
system (AMMS) for the inspection of micro lenses and micro electromechanical systems is …

Genetic programming applied to automatic algorithm design in multi-scale inspection systems

A Burla, T Haist, W Lyda, W Osten - Optical Engineering, 2012 - spiedigitallibrary.org
In recent years image-processing has become a central part of optical inspection and
measurement systems. Typically, after measuring the given specimen by utilizing a suitable …

Fourier descriptors for defect indication in a multiscale and multisensor measurement system

A Burla, T Haist, W Lyda, W Osten - Optical Engineering, 2011 - spiedigitallibrary.org
Efficient inspection of an object for deformations and defects requires comparison with an
existing real or simulated reference model. Fourier descriptor (FDs) based shape analysis is …

An Interferometric Platform for Static, Quasi-Static, and Dynamic Evaluation of Out-Of-Plane Deformations of MEMS and MOEMS

C Gorecki, M Józwik, P Delobelle - Optical Inspection of …, 2019 - taylorfrancis.com
In this chapter, we demonstrate a low-cost and multifunctional interferometric platform based
on a Twyman–Green interferometer (TGI) for testing microelectromechanical systems …

Smart pixel camera based signal processing in an interferometric test station for massive parallel inspection of MEMS and MOEMS

A Styk, P Lambelet, A Røyset… - Speckle 2010 …, 2010 - spiedigitallibrary.org
The paper presents the electro-optical design of an interferometric inspection system for
massive parallel inspection of Micro (Opto) ElectroMechanicalSystems (M (O) EMS). The …

Making, testing, applying: some progress in the field of micro-optics at ITO

W Osten, G Baer, M Häfner, W Lyda… - … on Optics in …, 2013 - spiedigitallibrary.org
Microoptical components play an increasing role in different technology fields such as
medical engineering, materials and information processing, imaging and metrology. But …

Finding the Needle in the Haystack-Approaches for Detecting Small Defects on a Large Object

K Gastinger, W Osten - Applied Industrial Optics: Spectroscopy …, 2013 - opg.optica.org
The inspection of small defects on large objects is a crucial part of modern production
processes. This paper gives a general overview of approaches to overcome challenges …